re #842 Updated Plus version to 2.4.0

Author: Adam Rankin

PlusLib/CMakeLists.txt

@@ -5,7 +5,7 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.3.0)
 # ------------------------------------------------------------------------
 # Set project version number
 SET(PLUSLIB_VERSION_MAJOR "2")
-SET(PLUSLIB_VERSION_MINOR "3")
+SET(PLUSLIB_VERSION_MINOR "4")
 SET(PLUSLIB_VERSION_PATCH "0")
 SET(PLUSLIB_VERSION ${PLUSLIB_VERSION_MAJOR}.${PLUSLIB_VERSION_MINOR}.${PLUSLIB_VERSION_PATCH})